Citation: WANG Qi, GUO Lei, WANG Zong-xian, MU Bao-quan, GUO Ai-jun, LIU He. Hydrogen donor visbreaking of Venezuelan vacuum residue[J]. Journal of Fuel Chemistry and Technology, ;2012, 40(11): 1317-1322. shu

Hydrogen donor visbreaking of Venezuelan vacuum residue

1.
State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, China

Corresponding author: WANG Zong-xian,
Received Date: 15 June 2012
Available Online: 16 August 2012
Fund Project: 中国石油天然气股份有限公司委内瑞拉超重油减黏基础研究(供氢热裂化)项目(W2008E-1502/2) (供氢热裂化)项目(W2008E-1502/2)中央高校基本科研业务专项资金支助(12CX06041A)。 (12CX06041A)

Hydrogen donor visbreaking and conventional visbreaking processes of vacuum residue of Venezuelan synthetic crude oil were investigated in an autoclave. Phase changes of the two reaction systems were observed by a microscope during the thermal conversion. The stabilities of two kinds of visbroken oil were characterized and their SARA group compositions were analyzed. The results show that amorphous micro-particles’ formation, growth and aggregation can be observed clearly by the microscope with the increasing of time at 425℃. Resins and asphaltenes contents in two visbroken oils are both decrease. Compared to conventional visbreaking process, hydrogen donor in hydrogen donor visbreaking process can inhibit the growth of amorphous micro-particles to postpone the phase separation. Moreover, hydrogen donor can inhibit the coke formation and improve the stability of visbroken oil.
- vacuum residue,
- hydrogen donor,
- thermal conversion,
- phase separation,
- spot test
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沈阳化工大学材料科学与工程学院沈阳 110142